All my niggas hit that zan, and all my ladies bounce that back

Chance alludes to the psychoactive drug Xanax that Chance is known for taking. ¨Hitting that zan"is a common dance move among people in Chicago. “Bob that back”, which alludes to “bobbing” which a dance that a lot of ladies in Chicago do, but SaveMoney does the Bop, (Dance on the Rise 2013™):